[
https://issues.apache.org/jira/browse/BEAM-4775?focusedWorklogId=209764&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-209764
]
ASF GitHub Bot logged work on BEAM-4775:
----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Mar/19 20:20
Start Date: 07/Mar/19 20:20
Worklog Time Spent: 10m
Work Description: ryan-williams commented on pull request #7934:
[BEAM-4775] add GetJobMetrics RPC
URL: https://github.com/apache/beam/pull/7934#discussion_r261464324
##########
File path:
runners/core-java/src/main/java/org/apache/beam/runners/core/metrics/DistributionProtos.java
##########
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.runners.core.metrics;
+
+import org.apache.beam.model.pipeline.v1.MetricsApi.IntDistributionData;
+import org.apache.beam.sdk.metrics.DistributionResult;
+
+/** Convert distributions between protobuf and SDK representations. */
+public class DistributionProtos {
+ public static DistributionResult fromProto(IntDistributionData
distributionData) {
+ return DistributionResult.create(
+ distributionData.getSum(),
+ distributionData.getCount(),
+ distributionData.getMin(),
+ distributionData.getMax());
+ }
+
+ public static IntDistributionData toProto(DistributionResult
distributionResult) {
Review comment:
I actually end up adding proto things to the sdks/java/core API surface in
#7915, so maybe it's a moot point…
Edit: nevermind, I was able to pretty easily remove the dependency in #7915,
and I think it's better for it as well.
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Issue Time Tracking
-------------------
Worklog Id: (was: 209764)
Time Spent: 36h 20m (was: 36h 10m)
> JobService should support returning metrics
> -------------------------------------------
>
> Key: BEAM-4775
> URL: https://issues.apache.org/jira/browse/BEAM-4775
> Project: Beam
> Issue Type: Bug
> Components: beam-model
> Reporter: Eugene Kirpichov
> Assignee: Ryan Williams
> Priority: Major
> Labels: triaged
> Time Spent: 36h 20m
> Remaining Estimate: 0h
>
> Design doc: [https://s.apache.org/get-metrics-api].
> h1. Relevant PRs in flight:
> h2. Approved / Ready to merge:
> None atm.
> h2. Ready for Review:
> * [#7971|https://github.com/apache/beam/pull/7971]: Flink portable metrics:
> get ptransform from MonitoringInfo, not stage name
> ** this is a simpler, Flink-specific PR that is basically duplicated inside
> each of the following two, so may be worth trying to merge in first
> * [#7934|https://github.com/apache/beam/pull/7934]: add GetJobMetrics RPC,
> Java+Python SDK support for it
> * #[7915|https://github.com/apache/beam/pull/7915]: use MonitoringInfo data
> model in Java SDK metrics
> h2. Iterating / Discussing:
> * [#7868|https://github.com/apache/beam/pull/7868]: MonitoringInfo URN tweaks
> h2. Merged
> * [#7867|https://github.com/apache/beam/pull/7867]: key MetricResult by a
> MetricKey
> * [#7938|https://github.com/apache/beam/pull/7938]: move MonitoringInfo
> protos to model/pipeline module
> * [#7883|https://github.com/apache/beam/pull/7883]: Add
> MetricQueryResults.allMetrics() helper
> * [#7866|https://github.com/apache/beam/pull/7866]: move function helpers
> from fn-harness to sdks/java/core
> * [#7890|https://github.com/apache/beam/pull/7890]: consolidate MetricResult
> implementations
> h2. Closed
> * [#7876|https://github.com/apache/beam/pull/7876]: Clean up metric protos;
> support integer distributions, gauges
> h1. Likely pieces still to come:
> Per recent discussion with [~robertwb], I'm going to move the MonitoringInfo
> protos into the {{model/pipeline}} module, which the Job API, Fn API, and
> sdks/java/core all depend on already, as it's a good/central place for them.
> h1. Previous Description:
> [https://github.com/apache/beam/blob/master/model/job-management/src/main/proto/beam_job_api.proto]
> currently doesn't appear to have a way for JobService to return metrics to a
> user, even though
> [https://github.com/apache/beam/blob/master/model/fn-execution/src/main/proto/beam_fn_api.proto]
> includes support for reporting SDK metrics to the runner harness.
> Metrics are apparently necessary to run any ValidatesRunner tests because
> PAssert needs to validate that the assertions succeeded. However, this
> statement should be double-checked: perhaps it's possible to somehow work
> with PAssert without metrics support.
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